AZRhymes - Free online rhyming dictionary for writing lyrics.
Lazyjot - Modern web-app editor for writing lyrics
Rhyme Genie & TuneSmith - Rhyme Genie is today's most advanced rhyming dictionary (multi-syllabic rhymes, near rhymes, syllable matching synonyms, related words).
Rhyme Zone - Rhyme Zone is a platform that enables the users to search words in different areas just like a dictionary but an advanced one.
Masterwriter - MasterWriter offers a suite of writing tools.
MegaRhyme - Search for perfect rhymes, half rhymes, two-word rhymes, and consonant rhymes.